package com.chinait.utils;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.chinait.web.wechat.MenuWechat;

public class HttpSendUtils {
	private static final Logger log = LoggerFactory.getLogger(HttpSendUtils.class);
	/**
     * 向指定URL发送GET方法的请求
     * 
     * @param url
     *            发送请求的URL
     * @param param
     *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return URL 所代表远程资源的响应结果
     */
    public static String sendGet(String url) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = url;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("user-agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
            for (String key : map.keySet()) {
                System.out.println(key + "--->" + map.get(key));
            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }
    /**
     *Http post JSON 格式的请求
     * @param jsonParam 请求格式为JSON
     * @param url  请求的地址
     * @return JsonStr  响应的为JSON字符串
     */
    @SuppressWarnings("unused")
	public static String sendPost(String jsonParam,String url){
		HttpClient httpClient = new HttpClient();	
		httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(10 * 1000);
		httpClient.getHttpConnectionManager().getParams().setSoTimeout(10 * 1000);
		

		final PostMethod method = new PostMethod(url);
		
		String result = "";
		try {
			if (jsonParam != null) {
				HttpMethodParams httpMethodParams = method.getParams();
				httpMethodParams.setContentCharset("UTF-8");
				httpMethodParams.setHttpElementCharset("UTF-8");
				//设置891Wold请求的KEY
//				method.setRequestHeader(PropsConfig.getPropValue("APPKEY"),PropsConfig.getPropValue("APPKEY_VALUE"));
				method.setRequestHeader("Content-type","application/json;charset=utf-8");
				String body = jsonParam;
				log.info("\n--------********body************------"+body);
//				method.setRequestBody(body);
				RequestEntity requestEntity = new StringRequestEntity(body, "appliction/json", "UTF-8");
				log.info("\n***************requestEntity************************"+requestEntity);
				method.setRequestEntity(requestEntity);
				int status = httpClient.executeMethod(method);
				log.info("\n---------打印服务器返回状态码-----------" + status);
				InputStream inputStream = method.getResponseBodyAsStream();
				
				BufferedReader br = new BufferedReader(new InputStreamReader(inputStream,"UTF-8"));
				StringBuffer buffer = new StringBuffer();
				String line ="";
				while(null != (line = br.readLine())){
					buffer.append(line).append("\n");
				}
				log.info("\n--------buffer.toString()---------------"+buffer.toString());
				result = buffer.toString();
				return result;
			}else{
				return result;
			}
			
		} catch (Exception e) {
			e.printStackTrace();
			return result;
		} finally {
			method.releaseConnection();
		}
	}
    
}
